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Finding the Third Proportional to 20,288 and 29,732

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Solution

The third proportional to 20,288 and 29,732 is: 43,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288 : 29,732 = 29,732 : x
  2. Step 2: Convert to fraction form
    20,288/29,732 = 29,732/x
  3. Step 3: Cross multiply
    20,288x = 29,732 × 29,732
  4. Step 4: Simplify right side
    20,288x = 883,991,824
  5. Step 5: Solve for x
    x = 883,991,824/20,288
  6. Step 6: Final answer
    x = 43,572.15

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.